CN109173022A - Convenient for controlling curved interposing catheter - Google Patents
Convenient for controlling curved interposing catheter Download PDFInfo
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- CN109173022A CN109173022A CN201811017153.1A CN201811017153A CN109173022A CN 109173022 A CN109173022 A CN 109173022A CN 201811017153 A CN201811017153 A CN 201811017153A CN 109173022 A CN109173022 A CN 109173022A
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- Prior art keywords
- tube body
- hole
- temperature control
- end head
- convenient
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- 230000009471 action Effects 0.000 claims abstract description 35
- 239000002775 capsule Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 15
- 210000004204 blood vessel Anatomy 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0113—Mechanical advancing means, e.g. catheter dispensers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
- A61M25/0136—Handles therefor
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention provides one kind convenient for controlling curved interposing catheter, is connected in a manner of flexible between end of conduit, end head and tube body, and end head is equipped with end through-hole, and tube body is equipped with tube body first through hole, and end through-hole is connected to tube body first through hole；End head is fixedly connected by the position of proximal edge with one end of bracing wire, is drawstring through in tube body along the second through-hole of tube body of axis arrangement；Or end head is connect by the position of proximal edge with temperature control action element, temperature control action element is connect with tube body, and temperature control action element is also electrically connected with conducting wire, and conducting wire passes through in tube body along the second through-hole of tube body of axis arrangement.By using above scheme, biggish bending angle can be realized in tip position, consequently facilitating actively interposing catheter is guided to pass through in being bent biggish blood vessel or other pipelines.Compared with prior art, the solution of the present invention simplifies structure in the prior art, and production and difficulty of processing are lower under the premise of realizing same technique effect.
Description
Technical field
It is especially a kind of convenient for the curved interposing catheter of control the present invention relates to interposing catheter field.
Background technique
Interposing catheter such as can be blocked in human body, rinsed, extracted, cut, melted and be positioned at the operation, be to realize
Effective medical procedure of minimally-invasive treatment.The intracorporal pipeline of people, such as blood vessel usually have more anfractuose position, lead intervention
Pipe enters these curved positions, devises a variety of seal wires with differently curved end, guides interposing catheter using seal wire
Into blood vessel.But this mode need repeatedly pull and push and rotate seal wire and conduit, to patient injure it is larger.
Chinese patent literature CN105658268A describes a kind of interventional systems, controls conduit by a kind of bender element
Bending.But the technical solution is big for the dependence of material, and this kind of material is current and immature, is in particular in this kind of material
The bending strain of matter and input quantity are simultaneously non-linear, make structure and control complex, difficulty of processing is very high.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind convenient for controlling curved interposing catheter, can be realized end
The biggish bending angle of position.In preferred scheme, the separation of feed flow and extracting channel can be realized, improve bending control
Precision and reduction response time.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: one kind is led convenient for controlling curved intervention
Pipe, is connected in a manner of flexible between end of conduit, end head and tube body, and end head is equipped with end through-hole, and tube body is equipped with
Tube body first through hole, end through-hole are connected to tube body first through hole；
End head is fixedly connected by the position of proximal edge with one end of bracing wire, is drawstring through in tube body along the tube body of axis arrangement the
Two through-holes；
Or end head is connect by the position of proximal edge with temperature control action element, temperature control action element is connect with tube body, and temperature control is dynamic
Make element to be also electrically connected with conducting wire, conducting wire passes through in tube body along the second through-hole of tube body of axis arrangement.
In preferred scheme, the end head is made of spherical end, recessed portion and bulb bearing, and end head passes through ball
Head bearing is connect with the recess of tube body end.
In preferred scheme, the diameter of spherical end is greater than the diameter of bulb bearing, and the diameter of bulb bearing is greater than recess
The diameter in portion.
In preferred scheme, there is the structure of recess between end head and tube body, is equipped with corrugated part in the position of recess.
In preferred scheme, the corrugated part uses flexible material, and corrugated part is expanding structure and undergauge structure from upper
To the structure of lower interlaced arrangement.
In preferred scheme, the bracing wire is more, and the second through-hole mutually should be multiple, and bracing wire and the second through-hole are along circle
Zhou Junbu.
In preferred scheme, the outer surface between end head and tube body is equipped with covering flexible portion, and covering portion makes end
The diameter of portion to position between tube body is roughly the same.
In preferred scheme, multiple the second through-holes of tube body are additionally provided in tube body, the second through-hole of tube body is close to pipe end
Position be equipped with opening；
The opening of the second through-hole of tube body, the inclined direction towards end head.
In preferred scheme, described temperature control action element one end is connect with bracing wire, and the other end and the end head of bracing wire are leaned on
The position of proximal edge connects, and the other end of temperature control action element is connect with tube body；
In the temperature control action element, it is equipped with extrusome in elastomeric overmold portion, is equipped with multiple capsule structures, capsule structure in extrusome
It is interior to be equipped with phase change medium, temperature control element is equipped in capsule structure, temperature control element is electrically connected with conducting wire.
In preferred scheme, the capsule structure is constrained to the structure of stretching, the length of capsule construction stretch by elastomeric overmold portion
Direction is spent along the direction of bracing wire；
The extrusome be it is multiple, corresponding temperature control element is also multiple；
Multiple extrusomes and temperature control element are arranged along the direction of bracing wire.
One kind provided by the invention can be in end by using above scheme convenient for controlling curved interposing catheter
Biggish bending angle is realized in position, consequently facilitating actively guiding interposing catheter in being bent biggish blood vessel or other pipelines
It passes through.Compared with prior art, the solution of the present invention simplifies structure in the prior art, before realizing same technique effect
It puts production and difficulty of processing is lower.In preferred scheme, the pipeline that the second through-hole of tube body is entered as liquid is arranged in pipe
Body separates feed liquor and suction channel, avoids secondary pollution close to the position of outer wall.Temperature control action element is selected to fill as driving
It sets, can be improved control precision, reducing bracing wire self-deformation bring influences.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is overall structure diagram when using in the present invention.
Fig. 2 is catheter end head structural schematic diagram of the invention.
Fig. 3 is catheter end head preferred structure schematic diagram of the invention.
Fig. 4 is the A-A schematic cross-sectional view of Fig. 3.
Fig. 5 is the partial enlargement diagram in Fig. 3 at B.
Fig. 6 is catheter end head preferred structure schematic diagram of the invention.
Fig. 7 is catheter end head preferred structure schematic diagram of the invention.
Fig. 8 is the structural schematic diagram of temperature control action element in the present invention.
In figure: conduit 1, end head 11, tube body 12, spherical end 101, recessed portion 102, bulb bearing 103, tube body first
Through-hole 104, end through-hole 105, bracing wire 106, the second through-hole of tube body 107, bracing wire hole 108, covering portion 109, corrugated part 110, temperature
Control action element 111, elastomeric overmold portion 1111, extrusome 1112, capsule structure 1113, temperature control element 1114, fixing line 112 are led
Line 113 controls handle 2, control device 3.
Specific embodiment
Embodiment 1:
In Fig. 1 ~ 3, one kind is convenient for controlling curved interposing catheter, in 1 end of conduit, with can between end head 11 and tube body 12
Curved mode connects, and end head 11 is equipped with end through-hole 105, and tube body 12 is equipped with tube body first through hole 104, end through-hole 105
It is connected to tube body first through hole 104；
End head 11 is fixedly connected by the position of proximal edge with one end of bracing wire 106, and bracing wire 106 passes through in tube body 12 along axis cloth
The second through-hole of tube body 107 set.Thus structure controls end head 11 with the bending of biggish angle, thus just by guy structure
It is passed through in the biggish vessel position of bending angle.Control handle 2 is additionally provided on conduit 1, the end of conduit 1 is additionally provided with control
Device 3, the control device 3 is for the operation such as feed flow, suction and positioning.Control handle 2 for provide control bending angle with
And the information of bending direction.The tightening and release of bracing wire 106 can be manually, be also possible to drive winding dress by servo motor
Set tensioning or release.Controlling handle 2 and control device 3 is the prior art, and details are not described herein again.
Embodiment 2:
One kind is convenient for controlling curved interposing catheter, in 1 end of conduit, between end head 11 and tube body 12 in a manner of flexible
Connection, end head 11 are equipped with end through-hole 105, and tube body 12 is equipped with tube body first through hole 104, end through-hole 105 and tube body first
Through-hole 104 is connected to；
End head 11 is connect by the position of proximal edge with temperature control action element 111, and temperature control action element 111 is connect with tube body 12,
Temperature control action element 111 is also electrically connected with conducting wire 113, and conducting wire 113 passes through in tube body 12 along the second through-hole of tube body of axis arrangement
107.In this example, the bending of end head 11 is controlled by the movement of temperature control action element 111, since command range is short, by it
The deformation influence of his part material is small, and temperature control action element 111 can accomplish very small volume, therefore with higher
Control precision and lower response time lag.
Embodiment 3:
On the basis of embodiment 1 or 2, in preferred scheme such as Fig. 2, the end head 11 is by spherical end 101, recessed portion
102 and bulb bearing 103 form, end head 11 is connect by bulb bearing 103 with the recess of 12 end of tube body.It is tied in this example
Structure is greater than the conduit of 1.4mm suitable for the conduit of diameter, such as diameter, and using the structure of bulb bearing 103, bending control is non-
It is often smooth.The installation of recess and bulb bearing 103 in this example is installed by the way of heating 12 end of tube body.In spherical shape
105 position of end through-hole of end 101 is equipped with rounding, to reduce the interference that associated cable is walked, such as ultrasound catheter, ablation
Optical fiber, the interference that ablating electrode etc. is walked.
In preferred scheme such as Fig. 2, the diameter of spherical end 101 is greater than the diameter of bulb bearing 103, bulb bearing 103
Diameter be greater than recessed portion 102 diameter.Thus structure enables spherical end 101 to have biggish bending angle.
Embodiment 4:
On the basis of embodiment 1 or 2, preferred scheme such as Fig. 3, in 5, there is the knot of recess between end head 11 and tube body 12
Structure is equipped with corrugated part 110 in the position of recess.
In preferred scheme such as Fig. 3, the corrugated part 110 uses flexible material, and corrugated part 110 is expanding structure and contracting
The structure of gauge structure interlaced arrangement from top to bottom.Thus structure makes between end head 11 and tube body 12 with more smooth curve
Bending.And the structure is suitable for the conduit of small diameter, such as diameter is less than the conduit of 1.4mm.
Embodiment 5:
On the basis of embodiment 1 ~ 4, preferred scheme such as Fig. 2 ~ 4, in 6,7, the bracing wire 106 is more, the second through-hole
107 phases should be multiple, and bracing wire 106 and the second through-hole 107 are circumferentially uniformly distributed.The preferred bracing wire 106 is four.
In the example using temperature control action element 111, temperature control action element 111 is also multiple accordingly.
Embodiment 6:
Appearance on the basis of embodiment 1 ~ 5, in preferred scheme such as Fig. 2,3,6,7, between end head 11 and tube body 12
Face is equipped with covering portion 109 flexible, and covering portion 109 keeps end head 11 roughly the same to the diameter of position between tube body 12.Thus
Structure avoids there is recess in the position of outer wall.Seamlessly transit outer wall.
In the scheme of temperature control action element 111, also there is biggish space at this, it is sufficient to place temperature control action element
111.The covering portion 109 of setting is conducive to protect temperature control action element 111, while by temperature control action element 111 and can also suffer from
Person's tissue is isolated, consequently facilitating expanding the range of choice of material.
Embodiment 7:
On the basis of embodiment 1 ~ 6, in preferred scheme such as Fig. 2 ~ 4, multiple the second through-holes of tube body are additionally provided in tube body 12
107, the second through-hole of tube body 107 is equipped with opening in the position close to 12 end of tube body.Thus it is logical to constitute independent feed liquor for structure
Road separates feed liquor and suction channel.
In preferred scheme such as Fig. 3, the opening of the second through-hole of tube body 107, the inclined direction towards end head 11.
Embodiment 8:
On the basis of embodiment 2 ~ 7, in preferred scheme such as Fig. 6 ~ 8, described 111 one end of temperature control action element and bracing wire
106 connections, the other end of bracing wire 106 are connect with end head 11 by the position of proximal edge, the other end of temperature control action element 111 and
Tube body 12 is connected directly or by fixing line 112；Thus structure, it is by the flexible of control temperature control action element 111, i.e., controllable
End head 11 is bent according to the direction of imagination.
In the temperature control action element 111, extrusome 1112, elastomeric overmold portion 1111 are equipped in elastomeric overmold portion 1111
Using rubber or silica gel, multiple capsule structures 1113 are equipped in extrusome 1112, the extrusome 1112 in this example uses silica gel material,
Or the material of other similar property, capsule structure 1113 are less than the capsule structure of 1mm using diameter, are equipped with phase transformation in capsule structure 1113
Medium, preferred phase change medium use ether, acetone or alcohol, and the composition comprising mentioned component.In capsule structure 1113
Interior to be equipped with temperature control element 1114, temperature control element 1114 is electrically connected with conducting wire 113.Temperature control element 1114 uses heating wire or semiconductor
Cooling module.Expand the phase change medium in capsule structure 1113 by the heating of heating wire, so that temperature control action element 111 be made to receive
Contracting, to control the bending of end head 11.It, can be in fever and refrigeration work by adjusting the current direction in semiconductor refrigerating element
Switch between state, can further shorten the response time of temperature control action element 111.Since the variation of extrusome 1112 is main
It concentrates near phase transition temperature, therefore, although the quantity of heat production of semiconductor refrigerating element is greater than refrigerating capacity, temperature control is existed
Near phase transition temperature, the corresponding speed of extrusome 1112 can be improved by freezing at this time.
In preferred scheme such as Fig. 8, the capsule structure 1113 is constrained to the structure of stretching, capsule by elastomeric overmold portion 1111
Structure 1113 stretch length direction along bracing wire 106 direction；Thus structure, to improve 1112 collapsing length of extrusome and temperature
Spend the linearity between variable quantity.
The extrusome 1112 be it is multiple, corresponding temperature control element 1114 is also to be multiple；Multiple extrusomes
1112 and temperature control element 1114 along bracing wire 106 direction arrange.Since the variation of extrusome 1112 is concentrated mainly on phase alternating temperature
It near degree, therefore realizes that linear change is difficult, but by being multiple portions by variable quantity differential, that is, is arranged multiple
Extrusome 1112 controls the retracted position of extrusome 1112 as needed respectively, then can further increase temperature control action element
111 linearity, to improve the curved control precision of end head 11.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, can mutual any combination.Protection model of the invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
1. one kind is convenient for controlling curved interposing catheter, it is characterized in that: in conduit (1) end, end head (11) and tube body (12)
Between connected in a manner of flexible, end head (11) be equipped with end through-hole (105), tube body (12) be equipped with tube body first through hole
(104), end through-hole (105) is connected to tube body first through hole (104)；
End head (11) is fixedly connected by the position of proximal edge with one end of bracing wire (106), and bracing wire (106) passes through in tube body (12)
Along the second through-hole of tube body (107) of axis arrangement；
Or end head (11) is connect by the position of proximal edge with temperature control action element (111), temperature control action element (111) and pipe
Body (12) connection, temperature control action element (111) are also electrically connected with conducting wire (113), and conducting wire (113) passes through in tube body (12) along axis
The second through-hole of tube body (107) of arrangement.
2. it is according to claim 1 a kind of convenient for controlling curved interposing catheter, it is characterized in that: the end head (11)
Be made of spherical end (101), recessed portion (102) and bulb bearing (103), end head (11) by bulb bearing (103) with
The recess of tube body (12) end connects.
3. it is according to claim 2 a kind of convenient for controlling curved interposing catheter, it is characterized in that: spherical end (101)
Diameter is greater than the diameter of bulb bearing (103), and the diameter of bulb bearing (103) is greater than the diameter of recessed portion (102).
4. it is according to claim 1 a kind of convenient for controlling curved interposing catheter, it is characterized in that: end head (11) and tube body
(12) there is the structure of recess between, be equipped with corrugated part (110) in the position of recess.
5. it is according to claim 4 a kind of convenient for controlling curved interposing catheter, it is characterized in that: the corrugated part
(110) flexible material is used, corrugated part (110) is the structure of expanding structure and undergauge structure interlaced arrangement from top to bottom.
6. it is described in any item a kind of convenient for controlling curved interposing catheter according to claim 1 ~ 5, it is characterized in that: the drawing
Line (106) is more, and the second through-hole (107) mutually should be multiple, and bracing wire (106) and the second through-hole (107) are circumferentially uniformly distributed.
7. it is according to claim 1 a kind of convenient for controlling curved interposing catheter, it is characterized in that: in end head (11) and pipe
Outer surface between body (12) is equipped with covering portion (109) flexible, and covering portion (109) make end head (11) between tube body (12)
The diameter of position is roughly the same.
8. one kind described according to claim 1 ~ 5 or 7 is convenient for controlling curved interposing catheter, it is characterized in that: in tube body (12)
Multiple the second through-holes of tube body (107) are additionally provided with, the second through-hole of tube body (107) is equipped in the position close to tube body (12) end and opens
Mouthful；
The opening of the second through-hole of tube body (107), the inclined direction towards end head (11).
9. it is according to claim 1 a kind of convenient for controlling curved interposing catheter, it is characterized in that: the temperature control action element
Part (111) one end is connect with bracing wire (106), and the other end of bracing wire (106) is connect with end head (11) by the position of proximal edge, temperature
The other end of control action element (111) is connect with tube body (12)；
In the temperature control action element (111), extrusome (1112) are equipped in elastomeric overmold portion (1111), extrusome (1112)
It is interior to be equipped with multiple capsule structures (1113), it is equipped with phase change medium in capsule structure (1113), temperature control member is equipped in capsule structure (1113)
Part (1114), temperature control element (1114) are electrically connected with conducting wire (113).
10. it is according to claim 1 a kind of convenient for controlling curved interposing catheter, it is characterized in that: the capsule structure
(1113) structure of stretching is constrained to by elastomeric overmold portion (1111), the length direction that capsule structure (1113) stretches is along bracing wire
(106) direction；
The extrusome (1112) be it is multiple, corresponding temperature control element (1114) is also to be multiple；
Multiple extrusomes (1112) and temperature control element (1114) are arranged along the direction of bracing wire (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811017153.1A CN109173022A (en) | 2018-09-03 | 2018-09-03 | Convenient for controlling curved interposing catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811017153.1A CN109173022A (en) | 2018-09-03 | 2018-09-03 | Convenient for controlling curved interposing catheter |
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| Publication Number | Publication Date |
|---|---|
| CN109173022A true CN109173022A (en) | 2019-01-11 |
Family
ID=64917867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811017153.1A Pending CN109173022A (en) | 2018-09-03 | 2018-09-03 | Convenient for controlling curved interposing catheter |
Country Status (1)
| Country | Link |
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| CN (1) | CN109173022A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494778A (en) * | 2020-12-30 | 2021-03-16 | 黄洁 | Deflection structure of interventional catheter |
| CN112604127A (en) * | 2020-12-30 | 2021-04-06 | 宜昌市中心人民医院(三峡大学第一临床医学院、三峡大学附属中心人民医院) | Interventional catheter convenient for steering control |
| CN114521938A (en) * | 2022-02-18 | 2022-05-24 | 深圳市凯思特医疗科技股份有限公司 | Cardiovascular intervention catheter with pressure sensing function |
| CN115154844A (en) * | 2022-08-11 | 2022-10-11 | 临沂市兴华医用器材有限公司 | Anesthesia catheter capable of being bent directionally and anesthesia device |
| CN115844544A (en) * | 2023-02-16 | 2023-03-28 | 极限人工智能有限公司 | Interventional robot catheter bending control method, system, device and storage medium |
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| CN104287824A (en) * | 2014-10-11 | 2015-01-21 | 先健科技(深圳)有限公司 | Ablation catheter device |
| CN209253909U (en) * | 2018-09-03 | 2019-08-16 | 李发久 | Convenient for controlling curved interposing catheter |
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2018
- 2018-09-03 CN CN201811017153.1A patent/CN109173022A/en active Pending
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|---|---|---|---|---|
| CN102921089A (en) * | 2012-11-07 | 2013-02-13 | 南通伊诺精密塑胶导管有限公司 | Bending catheter with controllable head and used for interventional therapy |
| CN104287824A (en) * | 2014-10-11 | 2015-01-21 | 先健科技(深圳)有限公司 | Ablation catheter device |
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